package cn.xysfxy.fss.util;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.InputStream;

import cn.xysfxy.fss.ienum.SystemAttriStr;

public class DocConverter {
	private static final int environment = 1;// 环境1：windows 2:linux(涉及pdf2swf路径问题)
	private String fileString;
	private String outputPath = "";// 输出路径，如果不设置就输出在默认位置
	private String fileName;
	private File pdfFile;
	private File swfFile;
	private File docFile;
	private Integer flag; // 判读文件是pdf还是office文件

	public DocConverter(String fileString) {
		ini(fileString);
	}

	/*
	 * 重新设置 file
	 * 
	 * @param fileString
	 */
	public void setFile(String fileString) {
		ini(fileString);
	}

	/*
	 * 初始化
	 * 
	 * @param fileString
	 */
	private void ini(String fileString) {
		flag = 0;
		this.fileString = fileString;
		fileName = fileString.substring(0, fileString.lastIndexOf("."));
		String type = fileString.substring(fileString.lastIndexOf(".") + 1, fileString.length());
		if (type.equals("pdf")) {
			flag = 1;
		}
		docFile = new File(fileString);
		pdfFile = new File(fileName + ".pdf");
		swfFile = new File(fileName + ".swf");
	}

	/*
	 * 转为PDF
	 * 
	 * @param file
	 */
	private void doc2pdf() throws Exception {
		if (docFile.exists()) {
			if (!pdfFile.exists()) {
				try {
					OfficeToPdf.getOffice2PdfUtil().office2Pdf(docFile.getPath(), pdfFile.getPath());
					System.out.println("****pdf转换成功，PDF输出：" + pdfFile.getPath() + "****");
				} catch (Exception e) {
					e.printStackTrace();
					throw e;
				}
			} else {
				System.out.println("****已经转换为pdf，不需要再进行转化****");
			}
		} else {
			System.out.println("****swf转换器异常，需要转换的文档不存在，无法转换****");
		}
	}

	/*
	 * 转换成swf
	 */
	public void pdf2swf() throws Exception {
		Runtime r = Runtime.getRuntime();
		if (!swfFile.exists()) {
			if (pdfFile.exists()) {
				if (environment == 1)// windows环境处理
				{
					try {
						Process p = r.exec("C:/Program Files (x86)/SWFTools/pdf2swf.exe " + pdfFile.getPath() + " -o "
								+ swfFile.getPath() + " -T 9");
						System.out.print(loadStream(p.getInputStream()));
						System.err.print(loadStream(p.getErrorStream()));
						System.out.print(loadStream(p.getInputStream()));
						System.err.println("****swf转换成功，文件输出：" + swfFile.getPath() + "****");
						if (pdfFile.exists() && flag == 0) {
							pdfFile.delete();
						}
					} catch (Exception e) {
						e.printStackTrace();
						throw e;
					}
				} else if (environment == 2)// linux环境处理
				{
					try {
						Process p = r.exec("pdf2swf " + pdfFile.getPath() + " -o " + swfFile.getPath() + " -T 9");
						System.out.print(loadStream(p.getInputStream()));
						System.err.print(loadStream(p.getErrorStream()));
						System.err.println("****swf转换成功，文件输出：" + swfFile.getPath() + "****");
						if (pdfFile.exists() && flag == 0) {
							pdfFile.delete();
						}
					} catch (Exception e) {
						e.printStackTrace();
						throw e;
					}
				}
			} else {
				System.out.println("****pdf不存在，无法转换****");
			}
		} else {
			System.out.println("****swf已存在不需要转换****");
		}
	}

	static String loadStream(InputStream in) throws Exception {
		int ptr = 0;
		in = new BufferedInputStream(in);
		StringBuffer buffer = new StringBuffer();

		while ((ptr = in.read()) != -1) {
			buffer.append((char) ptr);
		}
		return buffer.toString();
	}

	/*
	 * 转换主方法
	 */
	public boolean conver() {
		if (swfFile.exists()) {

			System.out.println("****swf转换器开始工作，该文件已经转换为swf****");
			return true;
		}

		if (environment == 1) {
			System.out.println("****swf转换器开始工作，当前设置运行环境windows****");
		} else {
			System.out.println("****swf转换器开始工作，当前设置运行环境linux****");
		}

		try {
			if (flag == 0) {
				doc2pdf();
			}
			pdf2swf();
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}

		if (swfFile.exists()) {

			return true;
		} else {
			return false;
		}
	}

	/*
	 * 返回文件路径
	 * 
	 * @param s
	 */
	public String getswfPath() {
		if (swfFile.exists()) {
			String tempString = swfFile.getPath();
			tempString = tempString.replaceAll("\\\\", "/");
			return tempString;
		} else {
			return "";
		}
	}

	/*
	 * 设置输出路径
	 */
	public void setOutputPath(String outputPath) {
		this.outputPath = outputPath;
		if (!outputPath.equals("")) {
			String realName = fileName.substring(fileName.lastIndexOf("/"), fileName.lastIndexOf("."));
			if (outputPath.charAt(outputPath.length()) == '/') {
				swfFile = new File(outputPath + realName + ".swf");
			} else {
				swfFile = new File(outputPath + realName + ".swf");
			}
		}
	}

	public static void main(String s[]) {
		DocConverter d = new DocConverter(new SystemAttriStr().getSYSTEM_FOLDER_SAVE_PATH() + "任务清单.txt");
		d.conver();
	}
}